diff --git a/protos/device_status.proto b/protos/device_status.proto
index 5d4ad20..8699389 100644
--- a/protos/device_status.proto
+++ b/protos/device_status.proto
@@ -335,10 +335,10 @@ message Train {
   int32 rtuId = 28;
 
   // 到点
-  bytes arriveTime = 29;
+  int64 arriveTime = 29;
 
   // 发点
-  bytes departTime = 30;
+  int64 departTime = 30;
 }